It has been a few weeks since the public release of iOS 10, and the new iOS 10.1 is available to public now, and many users have already downloaded and installed this brand new operating system on their iPhone and iPad. This brand new operating system has improved in many respects, which can definitely let you have a better experience on your iPhone/iPad/iPod touch.

Part 1. Common Cellular Data Issues After iOS 10/iOS 10.1 Update

According to the cellular data problem in iOS 9 and the latest issues reported by iOS 10 users, we list the most common cellular data problems you may meet after updating to iOS 10.

Cellular data not working on iPhone/iPad after iOS 10 update.

Can't turn cellular data on for some apps.

iOS features are eating data fast.

iPhone/iPad could not activate cellular data network.

Part 2. How to Fix Cellular Data Issues on iOS 10/iOS 10.1

It is very annoying if the cellular data not working on iPhone/iPad, especially when you are outside home and can't connect to Wi-Fi network. Just read this part to get several solutions to activate cellular data on iPhone and iPad.

1. Turn Cellular Data off and on. Go to Settings > Cellular> Turn it off > After a few seconds, turn it on.

2. Turn Airplane Mode on and off. Open Control Center > Enable Airplane Mode > Turn it off after 30 seconds.

3. Check Carrier update. Go to Settings > General > About to see if carrier update is available.

4. Restart your iDevice. Hold down the on/wake button and Home button until the Apple logo appears.

6. Preform a Factory Reset. It will erase all the settings and contents on your device, so remember to backup your iPhone/iPad via iTunes or iCloud. Go to Settings > General > Reset > Erase All Content and Settings. Then restore your device from backup you created before. If you still cannot activate cellular data, then you can try to set the device as new without restoring from backup.